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[SCSI] megaraid_sas: Add array boundary check for SystemPD 

Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
adam radford 2012-10-01 19:27:12 -07:00 committed by James Bottomley
parent f9eff81584
commit e187df6399
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/megaraid/megaraid_sas_fusion.c
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@ -1508,7 +1508,8 @@ megasas_build_dcdb_fusion(struct megasas_instance *instance,
local_map_ptr = fusion->ld_map[(instance->map_id & 1)];
/* Check if this is a system PD I/O */
if (instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) {
if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS &&
instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) {
io_request->Function = 0;
io_request->DevHandle =
local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;